Forest Knolls Post Office

6 Castro St, Forest Knolls, CA 94933

Contact Numbers

Phone: 415-488-0533
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday Closed
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Lagunitas
7120 Sir Francis Drake Blvd
0.3 mile away

San Geronimo
630 San Geronimo Valley Dr
0.9 mile away

Woodacre
183 San Geronimo Valley Dr
1.8 miles away

Nicasio
1 Old Rancheria Rd
1.9 miles away

Reviews

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Just went to pick up my mail and for some reason my post office box is locked and I can't get my mail. NO WARNINGN OR NOTICE OF IMPENDING LOCK OUT BY THE POSTMASTER HERE. WTF?
Reply

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We had medicine locked up because they wouldn't open our box for us without proving we are who we are, and we've been here 12 years and they know us. WTF is correct.
• Replied to Lauter Family


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